DE69920312D1 - Erfassung von Luft-Strömungsgeschwindigkeit und -Strömungsrichtung - Google Patents

Erfassung von Luft-Strömungsgeschwindigkeit und -Strömungsrichtung

Info

Publication number
DE69920312D1
DE69920312D1 DE69920312T DE69920312T DE69920312D1 DE 69920312 D1 DE69920312 D1 DE 69920312D1 DE 69920312 T DE69920312 T DE 69920312T DE 69920312 T DE69920312 T DE 69920312T DE 69920312 D1 DE69920312 D1 DE 69920312D1
Authority
DE
Germany
Prior art keywords
detection
air flow
flow velocity
velocity
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69920312T
Other languages
English (en)
Other versions
DE69920312T2 (de
Inventor
Roger Martin Langdon
Philip Michael Watts
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems PLC
Original Assignee
BAE Systems Electronics Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BAE Systems Electronics Ltd filed Critical BAE Systems Electronics Ltd
Application granted granted Critical
Publication of DE69920312D1 publication Critical patent/DE69920312D1/de
Publication of DE69920312T2 publication Critical patent/DE69920312T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D43/00—Arrangements or adaptations of instruments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/26—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/933—Lidar systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
DE69920312T 1998-03-31 1999-03-16 Erfassung von Luft-Strömungsgeschwindigkeit und -Strömungsrichtung Expired - Lifetime DE69920312T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9806876A GB2336050B (en) 1998-03-31 1998-03-31 Improvements in or relating to remote air detection
GB9806876 1998-03-31

Publications (2)

Publication Number Publication Date
DE69920312D1 true DE69920312D1 (de) 2004-10-28
DE69920312T2 DE69920312T2 (de) 2005-02-17

Family

ID=10829598

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69920312T Expired - Lifetime DE69920312T2 (de) 1998-03-31 1999-03-16 Erfassung von Luft-Strömungsgeschwindigkeit und -Strömungsrichtung

Country Status (6)

Country Link
US (1) US6285288B1 (de)
EP (1) EP0947834B1 (de)
DE (1) DE69920312T2 (de)
ES (1) ES2224550T3 (de)
GB (1) GB2336050B (de)
IL (1) IL128984A (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001201573A (ja) * 2000-01-20 2001-07-27 Mitsubishi Electric Corp コヒーレントレーザレーダ装置および目標測定方法
JP2002252413A (ja) * 2001-02-26 2002-09-06 Hitachi Ltd 半導体レーザモジュール及びこれを用いた光システム
US6597712B2 (en) * 2001-02-26 2003-07-22 Hitachi, Ltd. Laser diode module
US6556282B2 (en) * 2001-09-04 2003-04-29 Rosemount Aerospace, Inc. Combined LOAS and LIDAR system
US6542227B2 (en) * 2001-09-04 2003-04-01 Rosemount Aerospace, Inc. System and method of measuring flow velocity in three axes
US7110120B2 (en) * 2003-01-24 2006-09-19 Canon Kabushiki Kaisha Movement-direction determination apparatus
FR2862764A1 (fr) * 2003-11-21 2005-05-27 Thales Sa Dispositif de mesure de vitesses a effet doppler a faible bruit d'intensite
US7679729B2 (en) * 2004-09-15 2010-03-16 Mitsubishi Denki Kabushiki Kaisha Light wave radar apparatus
US7126586B2 (en) * 2004-09-17 2006-10-24 Microsoft Corporation Data input devices and methods for detecting movement of a tracking surface by detecting laser doppler self-mixing effects of a frequency modulated laser light beam
DE102004053082A1 (de) * 2004-11-03 2006-05-04 Dr. Johannes Heidenhain Gmbh Positionsmesssystem
US7345744B2 (en) * 2005-06-06 2008-03-18 Raytheon Company Optical delay line to correct phase errors in coherent ladar
US8446575B1 (en) * 2005-11-08 2013-05-21 Sandia Corporation Imaging doppler velocimeter with downward heterodyning in the optical domain
ES2539119T3 (es) * 2007-10-09 2015-06-26 Windar Photonics A/S Sistema LIDAR coherente basado en láser y amplificador semiconductor
EP2159600A1 (de) * 2008-08-28 2010-03-03 ELMOS Semiconductor AG Elektro-optischer Detektor zur Erkennung des Vorhandenseins und/oder der Annäherung eines Objekts
US8193966B2 (en) * 2009-10-15 2012-06-05 The Boeing Company Wire detection systems and methods
WO2015052839A1 (ja) * 2013-10-11 2015-04-16 三菱電機株式会社 風計測ライダ装置
EP3120473B1 (de) 2014-03-20 2021-04-07 Ariel-University Research and Development Company Ltd. Verfahren und system zur steuerung der phase eines signals
WO2017060908A1 (en) 2015-10-08 2017-04-13 Ariel-University Research And Development Company Ltd. Method and system for controlling phase of a signal
CN108844870B (zh) * 2018-08-08 2021-09-21 重庆交通大学 基于光纤结构的pm10和pm2.5探测仪器装置和系统
US20240183876A1 (en) * 2022-12-02 2024-06-06 The Boeing Company Aircraft Laser System with a Corrective Optical Device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771362A (en) * 1972-05-25 1973-11-13 Us Navy Fluid velocity indicator
DE2712255A1 (de) * 1977-03-21 1978-09-28 Andreas Dipl Phys Dr Keller Verfahren und einrichtung zur bestimmung der stroemungsgeschwindigkeit in einem stroemenden medium nach betrag und richtung
US4255048A (en) * 1979-04-06 1981-03-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Direction sensitive laser velocimeter
FR2556841B1 (fr) * 1983-12-14 1986-07-11 Onera (Off Nat Aerospatiale) Procede et dispositif de velocimetrie laser doppler a detection homodyne
DE3520214C1 (de) * 1985-06-05 1986-07-10 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn Messeinrichtung zur Bestimmung der Windrichtung und Windgeschwindigkeit in der Atmosphaere
US4919532A (en) * 1988-08-15 1990-04-24 Mocker Hans W High accuracy semiconductor laser doppler velocimeter
US5272513A (en) * 1991-12-06 1993-12-21 Optical Air Data Systems, L.P. Laser doppler velocimeter
US5270787A (en) * 1990-03-14 1993-12-14 Zellweger Uster Inc. Electro-optical methods and apparatus for high speed, multivariate measurement of individual entities in fiber or other samples
US5170218A (en) * 1991-03-29 1992-12-08 Raytheon Company Apparatus and method for detecting wind direction
US5621392A (en) * 1991-11-05 1997-04-15 Hospal Ltd. Flow detector
US5164784A (en) * 1992-01-17 1992-11-17 The Boeing Company CW doppler lidar
US5317376A (en) * 1992-12-03 1994-05-31 Litton Systems, Inc. Solid state pulsed coherent laser radar for short range velocimetry applications
JP3279116B2 (ja) * 1994-03-22 2002-04-30 株式会社豊田中央研究所 レーザドップラ流速計
FR2725034B1 (fr) * 1994-09-22 1997-01-03 Sextant Avionique Tete d'emission-reception pour anemometre doppler longitudinal

Also Published As

Publication number Publication date
GB9806876D0 (en) 1998-05-27
EP0947834A2 (de) 1999-10-06
GB2336050A (en) 1999-10-06
EP0947834A3 (de) 1999-12-29
IL128984A (en) 2002-03-10
EP0947834B1 (de) 2004-09-22
DE69920312T2 (de) 2005-02-17
ES2224550T3 (es) 2005-03-01
GB2336050B (en) 2003-03-26
US6285288B1 (en) 2001-09-04
IL128984A0 (en) 2000-02-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BAE SYSTEMS PLC, LONDON, GB